Combined seat and backrest for a chair

The ornamental design for a combined seat and backrest for a chair, as shown and described.

FIG. 1 is a side elevational view of a combined seat and backrest for a chair showing my design;

FIG. 2 is a front elevational view of a combined seat and backrest for a chair of FIG. 1;

FIG. 3 is a rear elevational view of a combined seat and backrest for a chair of FIG. 1;

FIG. 4 is a top plan view thereof.

The side of the combined seat and backrest not shown is a mirror image of the side shown in FIG. 1.

Patent	Priority	Assignee	Title
D343740,	Jun 11 1991		Chair

Patent	Priority	Assignee	Title
227953,
D248130,	Jun 15 1976	Burd, Inc., Howell Division	Chair
D252781,	Jun 27 1977	DO3 SYSTEMS, INC , A CORP OF OH	Secretarial arm chair
D260056,	Sep 05 1977	WESTINGHOUSE ELECTRIC CORPORATION, A CORP OF PA	Arm-chair
D260065,	May 11 1979	Burd, Inc.	Combined seat and backrest unit
ER5956,

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Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Nov 30 1981		Knoll International, Inc.	(assignment on the face of the patent)
Nov 27 1990	KNOLL INTERNATIONAL, INC , A CORP OF DE	WESTINGHOUSE ELECTRIC CORPORATION, A CORP OF PA	NUNC PRO TUNC ASSIGNMENT SEE DOCUMENT FOR DETAILS	005570	0598	pdf
Feb 28 1996	KNOLL, INC	NATIONSBANK, N A , AS COLLATERAL AGENT	SECURITY AGREEMENT	007803	0214	pdf
Feb 29 1996	Westinghouse Electric Corporation	KNOLL, INC	ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS	007888	0022	pdf
Aug 06 1997	NATIONSBANK, N A AS COLLATERAL AGENT	KNOLL, INC	RELEASE BY SECURED PARTY SEE DOCUMENT FOR DETAILS	008660	0504	pdf

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